Selina Concise ICSE Solutions for Class 8 Biology Chapter 1 Transportation in Plants REVIEW QUESTIONS Multiple Choice Questions: 1. Put a tick mark (✓) against the correct alternative in the following statements: (a) Diffusion occurs when molecules move: from lower concentration to higher concentration. from higher concentration to lower concentration through a membrane. from higher concentration to lower concentration. when energy is used. Answer: (3) from higher concentration to lower concentration. (b) Ascent of sap in plants takes place through: Cortex Epidermis Xylem Phloem Answer: (3) Xylem (c) If the xylem vessels of a plant are plugged: The leaves will turn yellow No food will be made The plant will wilt (shrivel) The plant will continue to grow Answer: (3) The plant will wilt (shrivel) (d) Force responsible for the ascent of sap is: Capillary force Root pressure Transpirational pull All the three Answer: (4) All the three (e) Raisins swell when put in: Rain water Tap water